A process for preparing the olefine sulfide includes addition reaction between sulfur monochloride and C3-C12 olefine under existance of low-carbon alcohol as catalyst to obtain addition compound, mixing it with C1-C15 haloalkane, sulfide of alkali metal, sulfur powder, and aqueous solution of emtrol, sulfurizing, dechlorinating, and refining.

一種硫化烯烴的制備方法裸模AT国产精品视频，包括：(1)使一氯化硫和C 3 ～C 12 烯烴在低碳醇催化劑的存在下進(jìn)行加合反應(yīng)禁18在线观看免费网，生成加合物色小说综合在线；(2)將(1)步的加合物與C 1 ～C 15 鹵代烷jiujiuren、堿金屬硫化物网址av、硫磺粉、脂肪醇水溶液混合日本黄色网站免费在线看，進(jìn)行硫化脫氯反應(yīng)后日韩精品第四页在线观看视频，精制處理日韩一级a毛一级a做免费视频，得到硫化烯烴產(chǎn)品。

Four adduct compounds are found for the former, and three are found for the latter. This indicates the DNA adduct formation capabilities both of 2-chloro benzamide and the photoproduct sample. Meanwhile the result of Ames experiments of them is positive. Thus we should pay more attention to important meaning of these results since the compound, which can produce adducts with DNA, may possibly be tumorigen or even carcinogen and mutagen.

結(jié)果表明全免费一级毛片免费看在线，前者與DNA反應(yīng)形成四個可辨認(rèn)的加合物斑點人妻少妇看A片偷精品视频，后者與DNA反應(yīng)形成三個可辨認(rèn)的加合物斑點，能與DNA加合的物質(zhì)為潛在的&三致&物質(zhì)另类稀缺呦系列，同時上海黄色录像免费一级，二者的Ames試驗結(jié)果顯陽性這應(yīng)當(dāng)引起人們對滅幼脲環(huán)境安全性的重視。

AAⅠcan bind covalently to the exocyclic amino group of purine nucleotides to form AAⅠ-DNA adduct. LC/MS/MS is a practical tool to detect AAⅠ-DNA adduct.

AAⅠ活化后能與腺嘌呤形成AAⅠ-DNA加合物a片免费首页，LC/MS/MS技術(shù)能夠決速力便準(zhǔn)確地檢測AAⅠ-DNA加合物欧美大屌激情。

Several aminated Fullerene derivatives were synthesized by the reaction of C〓 with phenylamine, diphenylamine and triethylamine etc., the phenomena of fragmentation and aggregation of the aminated Fullerene derivatives in UV laser desorption ionization mass spectrometer was observed, a few nitrogenous poly-Fullerene ions, such as C〓NH, C〓N〓H〓, C〓N〓H〓, C〓N〓H〓, C〓N〓H〓 etc.

對C〓富勒烯與苯胺又黄又刺激又色又湿又爽无遮挡、二苯胺91自拍最新、三乙胺等形成的加合物在紫外激光解吸電離作用下可以發(fā)生不同尋常的裂解和聚合現(xiàn)象進(jìn)行了研究，認(rèn)為其形成機(jī)理為：上述加合物在紫外激光解吸電離作用下80老女人乱婬视频，發(fā)生裂解產(chǎn)生C〓NH人人人人人人爱、C〓N及C〓等離子，然后它們之間發(fā)生聚合操美女b，形成如：C〓NH久久精品五视频、C〓N〓H〓、C〓N〓H〓1024你懂的在线观看、C〓N〓H〓国产自产一区av、C〓N〓H〓等含氮原子的聚富勒烯離子。

In this review, the typical biomarkers of the DNA damages, such as DNA adducts, strand breaks and altered sequence in DNA, and their measuring methods are discussed emphatically. It is thought that the application of these biomarkers offers broad prospects for early diagnosis and assessment of environmental toxicants.

本文重點介紹了一些典型的DNA損傷(如DNA加合物国产亚洲日韩精品欧美一区二区、斷裂国产自慰喷水福利、DNA 序列改變等)的生物標(biāo)記物及其檢測方法；認(rèn)為這些生物標(biāo)記物在環(huán)境污染物的早期診斷和評價方面具有廣闊的應(yīng)用前景一级毛片免费看大尺度。

At first,the amino group of amino acid esters interacts with the carboxyl group of the amino acid residue of this porphyrinatozinc to form 1:1 adducts.

氨基酸酯的氨基首先與氨基酸殘基的羧基作用形成1：1的加合物www.操.com，然后與鋅卟啉的中央鋅原子配位形成1：2的加合物，客體分子與主體分子上的氨基酸殘基之間的排斥作用以及主客體之間的色散力作用是主體分子能識別客體分子的另外兩種作用看黄网站在线看。

Adduct G is isomerized by F. The isomerization energies are relatively high (in the gas phase: 244.77 kJ/mol; in solvent of water: 234.83 kJ/mol), which is consistent with the experiment that adduct F is the primary alkylation product.

加合物G由F異構(gòu)形成91精品国产综合在线蜜臀，且有相對高的異構(gòu)化能（氣相：244.77 kJ/mol；水溶劑中：234.83 kJ/mol）日韩午夜丝袜无码视频，這與實驗上得到加合物G是主要癌變物的結(jié)果一致国内日韩欧美自拍视频在线观看。

The effects of phenolic acid compounds in vegetables and fruits on metabolicactivation of BaP in rats,as well as 〓 and TCA induced lipid peroxidation inmouse and Salmonella typhimurium TA104 cells were investigated using DNAadducts as a biomarker to assess DNA damage induced by xenobiotic carcinogens.BaP was used to study the genotoxic carcinogenesis,while 〓 and TCA were usedto study the non-genotoxic carcinogenesis.The possible protection mechanisms ofphenolic acid compounds on DNA damage were studied.

本研究根據(jù)化學(xué)致癌過程的遺傳毒性和非遺傳毒性機(jī)理，以DNA加合物作為機(jī)體接觸外來化學(xué)物而導(dǎo)致DNA損傷的生物學(xué)標(biāo)志物国内精品一三级成年视频在线观看，通過觀察酚酸類化合物對大鼠體內(nèi)BaP活化代謝以及〓和TCA誘導(dǎo)小鼠肝微粒體脂質(zhì)過氧化的影響黄片的视频，及酚酸類化合物對BaP和TCA誘導(dǎo)的沙門氏菌TA100和TA104形成DNA加合物的影響，探討蔬菜国产孕妇对白在线观看网站大全下载、水果中酚酸類化合物對外來化學(xué)物誘導(dǎo)的DNA損傷的保護(hù)機(jī)制欧日美韩二区。

So the 2-pyridone adduct tautomers are easy to separate and identify by GC/FTIR.

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So the 2-pyridone adduct tautomers are easy to separate and identify by GCFTIR.

氧位加合物與氮位加合物之間免费大型黄色网址，紅外光譜差別十分明顯，容易區(qū)分最近最新2019中文字幕免费视频。

addition compound：加合物

堆肥養(yǎng)分劑 Adco | 加合物 Addition compound | 參雜 Adulteration

bisulfite addition compound：酸式亞硫酸鹽加合物;亞硫酸氫鹽加合物

bisphosphorates 雙磷化物 | bisulfite addition compound 酸式亞硫酸鹽加合物;亞硫酸氫鹽加合物 | bisulphites 酸式亞硫酸鹽;亞硫酸氫鹽

adduct：加合物

用海巴戟果汁可以預(yù)防致癌劑-DNA加合物(adduct)的形成,果汁的抗氧化作用可能是其預(yù)防腫瘤的作用機(jī)制. 將海巴戟果汁給予C57B1/6肺癌小鼠,與對照組比較有達(dá)75%移植Lewis肺癌小鼠的生命得到延長.

adduct：加合物,加成化合物

adducin內(nèi)收蛋白[一種細(xì)胞膜骨架蛋白,可與鈣調(diào)蛋白結(jié)合] | adduct加合物,加成化合物 | adduct ion加合離子

urea adduct：尿素加合物

urea 尿素 | urea adduct 尿素加合物 | urea anhydride 氨基氰

degrading adduct：降解加合物

次品 degraded product | 降解加合物 degrading adduct | 退變新生變形作用 degrading neomorphism

adductive：加合物的

additive 相加的 | adductive 加合物的 | adfective 附加的

Adducts：加合物

后續(xù)的研究發(fā)現(xiàn),乙醛能和蛋白質(zhì)的氨基結(jié)合,形成"蛋白質(zhì)加合物"(Adducts). 這種結(jié)合非常穩(wěn)定,嚴(yán)重影響了蛋白質(zhì)的正常功能. "很多人誤以為酒精危害最大的器官是大腦和肝臟,這是不準(zhǔn)確的. "普里迪說,"酒精的代謝產(chǎn)物乙醛對酗酒者肌肉造成的傷害才是最常見的,

alkylene oxide adducts：烯化氧加合物

alkylene carbonates 碳酸亞烴酯 | alkylene oxide adducts 烯化氧加合物 | alkylene oxides 烯化氧

DNA adducts DNA：加合物

227 DMSA scan DMSA掃描 | 228 DNA adducts DNA加合物 | 229 donor blood 供者血